12651877077 has 32 divisors (see below), whose sum is σ = 20307148800. Its totient is φ = 6996412080.

The previous prime is 12651877027. The next prime is 12651877087. The reversal of 12651877077 is 77077815621.

12651877077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12651877077 - 2⁷ = 12651876949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12651877027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166413 + ... + 230210.

It is an arithmetic number, because the mean of its divisors is an integer number (634598400).

Almost surely, 2^12651877077 is an apocalyptic number.

It is an amenable number.

12651877077 is a deficient number, since it is larger than the sum of its proper divisors (7655271723).

12651877077 is an equidigital number, since it uses as much as digits as its factorization.

12651877077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396678 (or 396664 counting only the distinct ones).

The product of its (nonzero) digits is 1152480, while the sum is 51.

The spelling of 12651877077 in words is "twelve billion, six hundred fifty-one million, eight hundred seventy-seven thousand, seventy-seven".